@article{GDZPPN002092662,
title = {A Moebius-Like Formula in the Schubert Calcalus.},
journal = {Inventiones mathematicae},
volume = {34},
year = {1976},
pages = {317-320},
zbl = {0353.20032},
url = {http://dml.mathdoc.fr/item/GDZPPN002092662}
}
Demazure, Michel. A Moebius-Like Formula in the Schubert Calcalus.. Inventiones mathematicae, Tome 34 (1976) pp. 317-320. http://gdmltest.u-ga.fr/item/GDZPPN002092662/